Experience with the use of trastuzumab deruxtecan in real-world clinical practice: data from Clinical Oncology Dispensary no. 1 (Krasnodar) and Federal Scientific Clinical Center of the fMBA of Russia - M. Yu. Mostovoy; S. V. Sharov; E. V. Lymar; A. G. Onishchenko; J. A. Bat; A. S. Melnikova; G. G. Lisachenko; A. G. Kedrova; T. A. Greyan (Academy for Practical Oncology, 2026)